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Finding the Fourth Proportional to 49,861, 68,813.04 and 27,505

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Solution

The fourth proportional to 49,861, 68,813.04 and 27,505 is: 37,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,861 : 68,813.04 = 27,505 : x
  2. Step 2: Convert to fraction form
    49,861/68,813.04 = 27,505/x
  3. Step 3: Cross multiply
    49,861x = 68,813.04 × 27,505
  4. Step 4: Simplify right side
    49,861x = 1,892,702,665.20
  5. Step 5: Solve for x
    x = 1,892,702,665.20/49,861
  6. Step 6: Final answer
    x = 37,959.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.